Print this page
2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
@@ -16,12 +16,14 @@
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
+
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
@@ -52,20 +54,22 @@
#include <sys/zio_checksum.h>
#include <sys/zio_compress.h>
#include <sys/zfs_fuid.h>
#include <sys/arc.h>
#include <sys/ddt.h>
+#include <sys/zfeature.h>
#undef ZFS_MAXNAMELEN
#undef verify
#include <libzfs.h>
#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
zio_compress_table[(idx)].ci_name : "UNKNOWN")
#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
zio_checksum_table[(idx)].ci_name : "UNKNOWN")
#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
- dmu_ot[(idx)].ot_name : "UNKNOWN")
+ dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
+ dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES)
#ifndef lint
extern int zfs_recover;
#else
@@ -1086,11 +1090,11 @@
if (ds == NULL)
return;
ASSERT(size == sizeof (*ds));
crtime = ds->ds_creation_time;
- zdb_nicenum(ds->ds_used_bytes, used);
+ zdb_nicenum(ds->ds_referenced_bytes, used);
zdb_nicenum(ds->ds_compressed_bytes, compressed);
zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
zdb_nicenum(ds->ds_unique_bytes, unique);
sprintf_blkptr(blkbuf, &ds->ds_bp);
@@ -1130,10 +1134,48 @@
(void) printf("\t\tbp = %s\n", blkbuf);
}
/* ARGSUSED */
static int
+dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
+{
+ char blkbuf[BP_SPRINTF_LEN];
+
+ if (bp->blk_birth != 0) {
+ sprintf_blkptr(blkbuf, bp);
+ (void) printf("\t%s\n", blkbuf);
+ }
+ return (0);
+}
+
+static void
+dump_bptree(objset_t *os, uint64_t obj, char *name)
+{
+ char bytes[32];
+ bptree_phys_t *bt;
+ dmu_buf_t *db;
+
+ if (dump_opt['d'] < 3)
+ return;
+
+ VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
+ bt = db->db_data;
+ zdb_nicenum(bt->bt_bytes, bytes);
+ (void) printf("\n %s: %llu datasets, %s\n",
+ name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
+ dmu_buf_rele(db, FTAG);
+
+ if (dump_opt['d'] < 5)
+ return;
+
+ (void) printf("\n");
+
+ (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
+}
+
+/* ARGSUSED */
+static int
dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
{
char blkbuf[BP_SPRINTF_LEN];
ASSERT(bp->blk_birth != 0);
@@ -1881,15 +1923,17 @@
/*
* Extended object types to report deferred frees and dedup auto-ditto blocks.
*/
#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
-#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
+#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
+#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
static char *zdb_ot_extname[] = {
"deferred free",
"dedup ditto",
+ "other",
"Total",
};
#define ZB_TOTAL DN_MAX_LEVELS
@@ -1966,13 +2010,14 @@
if (bp == NULL)
return (0);
type = BP_GET_TYPE(bp);
- zdb_count_block(zcb, zilog, bp, type);
+ zdb_count_block(zcb, zilog, bp,
+ (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
- is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
+ is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
int ioerr;
size_t size = BP_GET_PSIZE(bp);
void *data = malloc(size);
@@ -2193,10 +2238,16 @@
*/
(void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
count_block_cb, &zcb, NULL);
(void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
count_block_cb, &zcb, NULL);
+ if (spa_feature_is_active(spa,
+ &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
+ VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
+ spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
+ &zcb, NULL));
+ }
if (dump_opt['c'] > 1)
flags |= TRAVERSE_PREFETCH_DATA;
zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
@@ -2369,11 +2420,11 @@
(u_longlong_t)bp->blk_fill,
avl_numnodes(t));
}
if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
- BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
+ BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
return (0);
ddt_key_fill(&zdde_search.zdde_key, bp);
zdde = avl_find(t, &zdde_search, &where);
@@ -2474,12 +2525,19 @@
dump_dir(dp->dp_meta_objset);
if (dump_opt['d'] >= 3) {
dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
- "Pool frees");
+ "Pool snapshot frees");
}
+
+ if (spa_feature_is_active(spa,
+ &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
+ dump_bptree(spa->spa_meta_objset,
+ spa->spa_dsl_pool->dp_bptree_obj,
+ "Pool dataset frees");
+ }
dump_dtl(spa->spa_root_vdev, 0);
}
(void) dmu_objset_find(spa_name(spa), dump_one_dir,
NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
}